package 对象之多态.final关键字;


//员工类
public class Employee {
    public String name;
    public int age;

    public Employee(String name) {
        this.name = name;
    }

    public Employee() {
    }

    public void show() {
        //成员变量
        String name;
        int age;
        System.out.println("这是绝密文件");

    }
}
